WordGirl"Chuck E Sneeze/Swap Meat"
CHUCK E SNEEZE: WordGirl has to battle Chuck's latest evil scheme, while also fighting off a nasty cold. SWAP MEAT: The Butcher is making a bundle, auctioning off forgeries of famous lost works of art. WordGirl has to figure out how he's pulling it off. D

4:00 pm

Wild Kratts"Mystery of the Weird Looking Walrus"
Chris and Martin are on a mission to discover why walrus look so weird, but discover that Zach Varmitech has kidnapped a herd to mine precious pearls for Donita Donata's fashion line. The Wild Kratts team must use the walrus features against Zach to save the creatures and return them to their Arctic domain. Science Concepts: Suction. D

4:30 pm

Cyberchase"When Penguins Fly"
Penguins can't fly - or can they? In Cyberspace, on one special night each year, the penguins of Penguia take flight to deliver gifts to young borgs across the virtual universe. For the first time ever, the CyberSquad's friend Fluff is participating, and invites his pals Matt, Jackie, Inez and Digit to join him in the impressive Penguin March. They head to the Ice Palace, where the gifts are made and where magic snowflakes are sprinkled on the penguins so they can fly. D

5:00 pm

Fetch! With Ruff Ruffman"Gearing Up for Getting Ruff's Goat"
All of the Cat Grooming shows are competing with Ruff's ratings and he's desperate to find the mythical Helmet of Victory that will reverse his fortunes. Uncle MacRuffmantosh calls with news that he thinks he's located the Helmet on a faraway mountaintop, so Ruff plans to ride his trusty tricycle up the mountain to retrieve the prize. (Unfortunately, the tricycle doesn't work so well on mountainous slopes. D

5:30 pm

Nightly Business Report
An historic sale here on Wall Street: The New York Stock Exchange, home to the world's greatest companies, agrees to a takeover by The Intercontinental Exchange. NBR's Erika Miller takes a look at what this $8 billion dollar deal means for the 220-year-old big board. The tone in Washington turns nasty as House Republicans prepare to vote on "Plan B" for avoiding the Fiscal Cliff. D

Doc Martin"Nowt So Queer"
Portwen buzzes with the news of the engagement of Dr. Martin Ellingham and Headmistress Louisa Glasson. Several villagers fall ill from eating mushrooms. Bert Large's son Al steps in to help the restaurant.G

8:00 pm

Outdoor Idaho"Working for Wildlife"
Professionals and volunteers are in forests and fields - even cities - throughout Idaho working to increase knowledge about wildlife and its chances for survival. Cameras capture "deer tackling" in eastern Idaho; follow scientists and volunteers through deep snows to radio collar the seldom-seen elusive wolverine; and visit a woman raising orphan bears in her backyard in Garden City, adjacent to Boise.G

8:30 pm

This American Land"Ferrets and Prairie Dogs, Hidden Gems, Follow the Water, Island Fires"
After being nearly wiped out in the early 20th century, the black-footed ferret is making a comeback. It has taken a complicated conservation effort and a captive breeding program to restore this species to the Great Plains. The health of the population is tied directly to the success of the prairie dogs.G

9:00 pm

Midsomer Murders"Who Killed Cock Robin, Part 1"
A horse whisperer disappears in Newton Magna and a long-standing adversary of Barnaby reappears - ex-con Melvyn Stockard, who claims to be a reformed man only concerned with his daughter's impending marriage. Then a member of the wedding party is found dead in a nearby well. Part 1 of 2G

10:00 pm

Vera"Silent Voices"
While investigating the case of a murdered social worker, Vera finds that a notorious case involving the death of a child appears to hold the key to solving the current crime. She pursues the truth to find the real secret at the heart of Jenny's death, and the killer who will stop at nothing to keep a secret.G